Here are the antioxidants that may have some effect on oxidant stress in AMN, and they are all safe.
Biotin 300 mg /day; and
Vitamin D3 dose 50,000 IU weekly.
A small study of antioxidants in AMN showed improvement of some biomarkers with this cocktail:
N- Acetyl Cysteine (NAC) (2400 mg);
Alpha lipoic acid (LA) (600 mg);
Vitamin D (10000 m.g. ea.); and
Vitamin E (300 IU)